Alan Bateman 9583e3657e 8284161: Implementation of Virtual Threads (Preview)
Co-authored-by: Ron Pressler <rpressler@openjdk.org>
Co-authored-by: Alan Bateman <alanb@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Andrew Haley <aph@openjdk.org>
Co-authored-by: Rickard Bäckman <rbackman@openjdk.org>
Co-authored-by: Markus Grönlund <mgronlun@openjdk.org>
Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org>
Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org>
Co-authored-by: Chris Plummer <cjplummer@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Co-authored-by: Robbin Ehn <rehn@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org>
Co-authored-by: Sergey Kuksenko <skuksenko@openjdk.org>
Reviewed-by: lancea, eosterlund, rehn, sspitsyn, stefank, tschatzl, dfuchs, lmesnik, dcubed, kevinw, amenkov, dlong, mchung, psandoz, bpb, coleenp, smarks, egahlin, mseledtsov, coffeys, darcy
2022-05-07 08:06:16 +00:00

82 lines
2.9 KiB
Java

/*
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*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/**
* @test
* @summary Verifies JVMTI InterruptThread works for virtual threads.
* @compile --enable-preview -source ${jdk.version} InterruptThreadTest.java
* @run main/othervm/native --enable-preview -agentlib:InterruptThreadTest InterruptThreadTest
*/
import java.util.concurrent.atomic.AtomicBoolean;
public class InterruptThreadTest {
private static final String AGENT_LIB = "InterruptThreadTest";
final Object lock = new Object();
native boolean testJvmtiFunctionsInJNICall(Thread vthread);
volatile private boolean target_is_ready = false;
private boolean iterrupted = false;
final Runnable pinnedTask = () -> {
synchronized (lock) {
try {
target_is_ready = true;
lock.wait();
} catch (InterruptedException ie) {
System.err.println("Virtual thread was interrupted as expected");
iterrupted = true;
}
}
};
void runTest() throws Exception {
Thread vthread = Thread.ofVirtual().name("VThread").start(pinnedTask);
// wait for target virtual thread to reach the expected waiting state
while (!target_is_ready) {
synchronized (lock) {
lock.wait(1);
}
}
testJvmtiFunctionsInJNICall(vthread);
vthread.join();
if (!iterrupted) {
throw new RuntimeException("Failed: Virtual thread was not interrupted!");
}
}
public static void main(String[] args) throws Exception {
try {
System.loadLibrary(AGENT_LIB);
} catch (UnsatisfiedLinkError ex) {
System.err.println("Failed to load " + AGENT_LIB + " lib");
System.err.println("java.library.path: " + System.getProperty("java.library.path"));
throw ex;
}
InterruptThreadTest t = new InterruptThreadTest();
t.runTest();
}
}